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Cheap flights from Ireland to London Heathrow Airport from €56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to London Heathrow Airport departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to London

Recent return flight deals from Ireland to London

KAYAK's recommended return flight deals from the most popular airlines that fly from Ireland to London.
08:35 - 10:10DUB-LHR
1h 35mdirect
06:15 - 07:40LHR-DUB
1h 25mdirect
€91British Airways
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Tue, 6 May - Wed, 7 May
20:15 - 21:35DUB-LHR
1h 20mdirect
06:20 - 07:45LHR-DUB
1h 25mdirect
€92British Airways
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Thu, 8 May - Fri, 9 May
13:05 - 14:30NOC-LHR
1h 25mdirect
11:05 - 12:35LHR-NOC
1h 30mdirect
€95Aer Lingus
Find Deal
Sun, 4 May - Tue, 13 May
19:00 - 20:20DUB-LHR
1h 20mdirect
21:10 - 22:30LHR-DUB
1h 20mdirect
€99Aer Lingus
Find Deal
Sat, 3 May - Mon, 19 May
15:25 - 16:45DUB-LHR
1h 20mdirect
21:10 - 22:30LHR-DUB
1h 20mdirect
€119
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Thu, 15 May - Thu, 15 May
20:15 - 21:35DUB-LHR
1h 20mdirect
06:40 - 19:15LHR-DUB
12h 35m1 stop
€156
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Fri, 9 May - Sat, 17 May
05:55 - 10:45DUB-LHR
4h 50m1 stop
18:35 - 22:25LHR-DUB
3h 50m1 stop
€168KLM
Find Deal
Fri, 16 May - Sat, 17 May
12:40 - 21:40DUB-LHR
9h 00m1 stop
13:55 - 09:15LHR-DUB
19h 20m1 stop
€175Scandinavian Airlines
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Fri, 16 May - Sat, 17 May
12:40 - 17:40DUB-LHR
5h 00m1 stop
06:40 - 18:15LHR-DUB
11h 35m1 stop
€180Scandinavian Airlines
Find Deal
Wed, 7 May - Mon, 19 May
05:55 - 10:45DUB-LHR
4h 50m1 stop
08:40 - 12:35LHR-DUB
3h 55m1 stop
€192KLM
Find Deal
Mon, 16 Jun - Tue, 24 Jun

British Airways flights from Ireland to London Heathrow Airport

Our best British Airways deals on Ireland to London Heathrow Airport flight tickets
British Airways
6 May
DUB08:35Dublin
1h 35m
LHR10:10London Heathrow
7 May
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
British Airways
8 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
9 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin
British Airways
8 May
DUB20:15Dublin
1h 20m
LHR21:35London Heathrow
12 May
LHR06:20London Heathrow
1h 25m
DUB07:45Dublin

Aer Lingus flights from Ireland to London Heathrow Airport

Our best Aer Lingus deals on Ireland to London Heathrow Airport flight tickets
Aer Lingus
4 May
NOC13:05Knock Intl
1h 25m
LHR14:30London Heathrow
13 May
LHR11:05London Heathrow
1h 30m
NOC12:35Knock Intl
Aer Lingus
3 May
DUB19:00Dublin
1h 20m
LHR20:20London Heathrow
19 May
LHR21:10London Heathrow
1h 20m
DUB22:30Dublin
Aer Lingus
19 May
DUB19:00Dublin
1h 20m
LHR20:20London Heathrow
22 May
LHR15:50London Heathrow
1h 25m
DUB17:15Dublin

See travel insights to London from

How to get the cheapest flight ticket from Ireland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Ireland averaging around €119.

What is the cheapest day to depart on your flight to London Heathrow Airport?

The cheapest day to depart on your flight to London Heathrow Airport is on a Friday when prices can be found for as low as €493. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €700.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Ireland to London Heathrow Airport in the evening for as low as €164. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €848 on average. Flights to London Heathrow Airport from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to London Heathrow flight route?

Fly from Shannon to London Heathrow for the best Ireland - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Ireland when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around €138 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Ireland for as low as €79 on momondo.

What cabin class options are available on Ireland to London Heathrow flights?

There are 3 cabin classes available to choose from on Ireland to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ireland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to London Heathrow Airport

Best price found

€56

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Ireland in the past 72 hours is €56. The best return flight deal from Ireland to London Heathrow Airport found on momondo in the last 72 hours is €91.
The fastest flight from Ireland to London Heathrow Airport takes 1h 15m
Direct flights go from Ireland to London Heathrow Airport every day.

  • When did momondo last update prices for flights from Ireland to London Heathrow Airport?

    Prices for flights from Ireland to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Ireland to London Heathrow Airport?

  • How old do you have to be to fly from Ireland to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ireland to London Heathrow Airport?


Best airlines flying from Ireland to London Heathrow Airport

Compare and see reviews for airlines that fly from Ireland to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €75Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
Aer LingusPriceFrom €102Free CancellationRating
7.0
1,060 reviews
Search Aer Lingus flights

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Why use momondo?

Why should I use momondo to find a flight deal from Ireland to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to London with flexible booking policies on momondo?

Yes. All flights to London from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to London.

I’m not ready to book a flight from Ireland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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